OpenTechnical

OT-2026-000039499

Publication integrity record

Foam pad vacuum gripper, three zone face, four outlet manifold, pump fed, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000039499) never changes.

Identity and time

Publication numberOT-2026-000039499 · never reused
Internal UUID01a0ae78-d8d2-773d-ae3d-0d8f9ffb2638 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:25:50.683051Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000039499
StatusPUBLIC

Content hashes

Canonical text37ad172026e71e9dce5e6086745ec93e9f73568db525be3e80204de1d72d2feb
Markdown1250f0478b8e7f67f96ae613dfac867474282d7f21ea9e3757c259061466cf37
PDF
Publication page8f239a36a0b9f5b35841143dda14103d35bcfebb248ddf7dc135ceef96f282f2
Manifestd050a44bca2760cbab832b2a174500ff8bc4cb2dc62fc0e41ea82f14b8d3289e

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
Signaturem9ehmsKke7qxvYXCnQSi5M5ZX41/mDwhnjXiv367XRxDPH4ELCEXfERNogkBxsAvRCjcKqxaSKapDm/mmn3gDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T11:19:37.754828ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039499
observed 8f239a36a0b9f5b35841143dda14103d...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:37.732819ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039499/manifest.json
observed d050a44bca2760cbab832b2a174500ff...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:37.711174ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039499/publication.md
observed 1250f0478b8e7f67f96ae613dfac8674...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T11:19:37.692833ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000039499/publication.txt
observed 37ad172026e71e9dce5e6086745ec93e...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.